小弟最近,用TI 公司的LM342 做一个buck-bosst LED驱动电路 输入24-36V 输出28-32V 1.28A 目前遇到问题:1.输入电压调高时 输出电流在0.78A-1点几A 变化 2. 输入电压不变时,调高输出电压,输出电流随之下降。 也就是我现在做不了宽电压输入 和 恒流输出。请各位大侠帮忙分析原因, 原理图见附件。
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.